Python twisted.internet.error 模块，ConnectionError() 实例源码

def logOn(self, chatui):
        """
        @returns: this breaks with L{interfaces.IAccount}
        @returntype: DeferredList of L{interfaces.IClient}s
        """
        # Overriding basesupport's implementation on account of the
        # fact that _startLogOn tends to return a deferredList rather
        # than a simple Deferred, and we need to do registerAccountClient.
        if (not self._isConnecting) and (not self._isOnline):
            self._isConnecting = 1
            d = self._startLogOn(chatui)
            d.addErrback(self._loginFailed)
            def registerMany(results):
                for success, result in results:
                    if success:
                        chatui.registerAccountClient(result)
                        self._cb_logOn(result)
                    else:
                        log.err(result)
            d.addCallback(registerMany)
            return d
        else:
            raise error.ConnectionError("Connection in progress")

def logOn(self, chatui):
        """
        @returns: this breaks with L{interfaces.IAccount}
        @returntype: DeferredList of L{interfaces.IClient}s
        """
        # Overriding basesupport's implementation on account of the
        # fact that _startLogOn tends to return a deferredList rather
        # than a simple Deferred, and we need to do registerAccountClient.
        if (not self._isConnecting) and (not self._isOnline):
            self._isConnecting = 1
            d = self._startLogOn(chatui)
            d.addErrback(self._loginFailed)
            def registerMany(results):
                for success, result in results:
                    if success:
                        chatui.registerAccountClient(result)
                        self._cb_logOn(result)
                    else:
                        log.err(result)
            d.addCallback(registerMany)
            return d
        else:
            raise error.ConnectionError("Connection in progress")

def logOn(self, chatui):
        """
        @returns: this breaks with L{interfaces.IAccount}
        @returntype: DeferredList of L{interfaces.IClient}s
        """
        # Overriding basesupport's implementation on account of the
        # fact that _startLogOn tends to return a deferredList rather
        # than a simple Deferred, and we need to do registerAccountClient.
        if (not self._isConnecting) and (not self._isOnline):
            self._isConnecting = 1
            d = self._startLogOn(chatui)
            d.addErrback(self._loginFailed)
            def registerMany(results):
                for success, result in results:
                    if success:
                        chatui.registerAccountClient(result)
                        self._cb_logOn(result)
                    else:
                        log.err(result)
            d.addCallback(registerMany)
            return d
        else:
            raise error.ConnectionError("Connection in progress")

def logOn(self, chatui):
        """Log on to this account.

        Takes care to not start a connection if a connection is
        already in progress.  You will need to implement
        L{_startLogOn} for this to work, and it would be a good idea
        to override L{_loginFailed} too.

        @returntype: Deferred L{interfaces.IClient}
        """
        if (not self._isConnecting) and (not self._isOnline):
            self._isConnecting = 1
            d = self._startLogOn(chatui)
            d.addErrback(self._loginFailed)
            d.addCallback(self._cb_logOn)
            # if chatui is not None:
            # (I don't particularly like having to pass chatUI to this function,
            # but we haven't factored it out yet.)
            d.addCallback(chatui.registerAccountClient)
            return d
        else:
            raise error.ConnectionError("Connection in progress")